444448040444 has 12 divisors (see below), whose sum is σ = 787154963784. Its totient is φ = 219546622224.

The previous prime is 444448040359. The next prime is 444448040473. The reversal of 444448040444 is 444040844444.

It is a happy number.

It is a super-2 number, since 2×444448040444² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444448040395 and 444448040404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669349127 + ... + 669349790.

It is an arithmetic number, because the mean of its divisors is an integer number (65596246982).

Almost surely, 2^444448040444 is an apocalyptic number.

It is an amenable number.

444448040444 is a deficient number, since it is larger than the sum of its proper divisors (342706923340).

444448040444 is a wasteful number, since it uses less digits than its factorization.

444448040444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338699004 (or 1338699002 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 44.

Adding to 444448040444 its reverse (444040844444), we get a palindrome (888488884888).

The spelling of 444448040444 in words is "four hundred forty-four billion, four hundred forty-eight million, forty thousand, four hundred forty-four".